Re: Quantum cryptography gets practical

2004-10-09 Thread Dave Howe
Steve Furlong wrote: On Thu, 2004-10-07 at 14:50, Dave Howe wrote: The regular encryption scheme (last I looked at a QKE product) was XOR Well, if it's good enough for Microsoft, it's good enough for everyone. I have it on good authority that Microsoft's designers and programmers are second to

Re: Quantum cryptography gets practical

2004-10-07 Thread Tyler Durden
. -TD From: Dave Howe [EMAIL PROTECTED] To: Tyler Durden [EMAIL PROTECTED] Subject: Re: Quantum cryptography gets practical Date: Wed, 06 Oct 2004 11:26:32 +0100 Tyler Durden wrote: An interesting thing to think about is the fact that in dense metro areas, you pretty much have a star from the CO

Re: Quantum cryptography gets practical

2004-10-07 Thread Dave Howe
Tyler Durden wrote: Oops. You're right. It's been a while. Both photons are not utilized, but there's a Private channel and a public channel. As for MITM attacks, however, it seems I was right more or less by accident, and the collapsed ring configuration seen in many tightly packed metro areas

Re: Quantum cryptography gets practical

2004-10-07 Thread Steve Furlong
On Thu, 2004-10-07 at 14:50, Dave Howe wrote: The regular encryption scheme (last I looked at a QKE product) was XOR Well, if it's good enough for Microsoft, it's good enough for everyone. I have it on good authority that Microsoft's designers and programmers are second to none. (Microsoft's

Re: Quantum cryptography gets practical

2004-10-06 Thread Dave Howe
walking distance, sending high volumes of extremely sensitive material between them) -TD From: Dave Howe [EMAIL PROTECTED] To: Email List: Cryptography [EMAIL PROTECTED], Email List: Cypherpunks [EMAIL PROTECTED] Subject: Re: QC Hype Watch: Quantum cryptography gets practical Date: Tue

Quantum cryptography gets practical

2004-10-06 Thread Tyler Durden
From: Dave Howe [EMAIL PROTECTED] To: Email List: Cryptography [EMAIL PROTECTED],Email List: Cypherpunks [EMAIL PROTECTED] Subject: Re: QC Hype Watch: Quantum cryptography gets practical Date: Tue, 05 Oct 2004 17:48:30 +0100 R. A. Hettinga wrote: Two factors have made this possible

Re: Quantum cryptography gets practical

2004-10-06 Thread Dave Howe
Dave Howe wrote: I think this is part of the purpose behind the following paper: http://eprint.iacr.org/2004/229.pdf which I am currently trying to understand and failing miserably at *sigh* Nope, finally strugged to the end to find a section pointing out that it does *not* prevent mitm attacks.

Re: QC Hype Watch: Quantum cryptography gets practical

2004-10-05 Thread Dave Howe
R. A. Hettinga wrote: Two factors have made this possible: the vast stretches of optical fiber (lit and dark) laid in metropolitan areas, which very conveniently was laid from one of your customers to another of your customers (not between telcos?) - or are they talking only having to lay new

RE: QC Hype Watch: Quantum cryptography gets practical

2004-10-03 Thread Tyler Durden
cryptography gets practical Date: Fri, 01 Oct 2004 11:59:40 -0700 At 05:12 PM 9/30/2004, Tyler Durden wrote: What's a quantum repeater in this context? It's also known as a wiretap insertion point... As for Hype Watch, I tend to agree, but I also believe that Gelfond (who I spoke to last year) actually

RE: QC Hype Watch: Quantum cryptography gets practical

2004-10-03 Thread Bill Stewart
At 05:12 PM 9/30/2004, Tyler Durden wrote: What's a quantum repeater in this context? It's also known as a wiretap insertion point... As for Hype Watch, I tend to agree, but I also believe that Gelfond (who I spoke to last year) actually does have a 'viable' system. Commerically viable is

RE: QC Hype Watch: Quantum cryptography gets practical

2004-10-01 Thread Tyler Durden
PROTECTED], [EMAIL PROTECTED] Subject: QC Hype Watch: Quantum cryptography gets practical Date: Thu, 30 Sep 2004 17:39:24 -0400 http://www.computerworld.com/printthis/2004/0,4814,96111,00.html - Computerworld Quantum cryptography gets practical Opinion by Bob Gelfond, MagiQ Technologies Inc